Conjunctivitis

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Written by Zhou Qing
Ophthalmology
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Conjunctivitis symptoms

Conjunctivitis is an inflammation that occurs in the thin layer of structure on the surface of the white eyeball and the inner surface of the eyelid. Conjunctivitis can be caused by infections such as bacteria, viruses, chlamydia, fungi, parasites, etc., and by environmental factors like sand, smoke, ultraviolet exposure, and chemical injuries from acids, alkalis, or toxic gases. It can also be an inflammatory response of the conjunctiva due to allergic or systemic diseases including tuberculosis, syphilis, thyroid disorders, or surrounding tissues of the eye such as the cornea, sclera, eyelids, nasal cavity, and sinuses. Common symptoms of conjunctivitis include red eyes, a sensation of a foreign body in the eye, burning, itching, photophobia (sensitivity to light), tearing, and increased discharge. Sometimes it can also cause eye pain.

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Written by Peng Xi Feng
Ophthalmology
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What are the symptoms of conjunctivitis?

According to the onset speed of conjunctivitis, it can be divided into hyperacute conjunctivitis, acute or subacute conjunctivitis, and chronic conjunctivitis. The symptoms of conjunctivitis mainly include foreign body sensation, burning sensation, itching eyes, photophobia, tearing, and significant signs include conjunctival congestion, edema, increased secretions, papillary hyperplasia, follicles, pseudomembranes and true membranes, granuloma, and so on.

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Written by Peng Xi Feng
Ophthalmology
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Is conjunctivitis prone to recurrence?

Conjunctivitis is a type of localized inflammation, similar to other inflammations. This disease may recur frequently, especially in children, infants, elderly or frail patients, or those with chronic debilitating diseases such as diabetes. Due to weaker bodily resistance, these individuals are more susceptible to repeated bacterial infections. To avoid such situations, it is advised to pay attention to healthy dietary habits, avoid spicy and irritating foods, and appropriately increase physical exercise to enhance resistance, thereby minimizing the chances of disease recurrence.

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Written by Peng Xi Feng
Ophthalmology
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Does conjunctivitis require a dietary restriction?

When we look at our phones and computers for long periods, it can lead to conjunctivitis due to eye strain. Among conjunctivitis cases, allergic conjunctivitis is the most common, especially during the spring and autumn seasons when symptoms like itchy eyes often occur. During such times, it is best to avoid spicy, irritating foods and seafood, as consuming these can exacerbate the itching. Additionally, if it is bacterial conjunctivitis, it is also recommended to limit the intake of spicy and irritating foods.

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Written by Peng Xi Feng
Ophthalmology
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Can I drink alcohol with conjunctivitis?

Conjunctivitis is one of the most common diseases in clinical ophthalmology, often caused by inflammation or viral infections. Taking anti-inflammatory drugs and alternately using ribavirin eye drops and ofloxacin eye drops for treatment yields relatively good results. Avoid staying up late, rubbing eyes with hands, and consuming spicy and other irritating foods. Abstain from smoking and drinking alcohol. Smoking and drinking during treatment can exacerbate the condition and lead to recurrent episodes.

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Written by Peng Xi Feng
Ophthalmology
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Can conjunctivitis be contagious?

Hyperacute bacterial conjunctivitis, acute or subacute bacterial conjunctivitis is highly contagious and requires isolation to prevent spread and epidemics. When one eye is infected, measures should be taken to prevent infection of the other eye. Strict attention should be paid to personal and communal hygiene, advocating frequent hand and face washing, and avoiding wiping eyes with hands or sleeves. Strict disinfection of face washing utensils, towels, and medical instruments used by the patient is also necessary.

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Written by Peng Xi Feng
Ophthalmology
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Does conjunctivitis require injections?

Conjunctivitis generally does not require injections. Treatment is based on the cause, primarily with local medication, and systemic medication is used only when necessary. During the acute phase, avoid bandaging the affected eye. First, using eye drops is the most basic way to administer treatment for conjunctivitis. Second, apply eye ointment, preferably before going to sleep. Third, rinse the conjunctival sac. Fourth, for severe conjunctivitis, such as gonococcal conjunctivitis, in addition to local treatment, systemic antibiotics are also necessary.

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Written by Peng Xi Feng
Ophthalmology
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Conjunctivitis Irrigation Method

The treatment principles of conjunctivitis focus on treating the cause, primarily administering local medications, with systemic medication when necessary, and washing the conjunctival sac. When there is a significant amount of secretion in the conjunctival sac, an non-irritating wash solution such as saline or 3% boric acid solution can be used for washing one to two times a day, to clear the secretions from the conjunctival sac. Care should be taken to avoid the washing solution from entering the healthy eye to prevent cross-infection.